Github user nchammas commented on a diff in the pull request:
https://github.com/apache/spark/pull/3939#discussion_r22686463
--- Diff: ec2/spark_ec2.py ---
@@ -706,9 +697,7 @@ def wait_for_cluster_state(conn, opts,
cluster_instances, cluster_state):
sys.stdout.flush()
start_time = datetime.now()
-
num_attempts = 0
- conn = ec2.connect_to_region(opts.region)
--- End diff --
It opens a connection to EC2. But since we are [already passed in a
connection as
`conn`](https://github.com/apache/spark/pull/3939#discussion-diff-22621704L693),
there is no need to recreate this.
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